The first trailer for TBS‘ post-apocalyptic, sci-fi thriller Snowpiercer was just revealed at Comic-Con® International. TBS presented a panel featuring Oscar® winner Jennifer Connelly, Tony Award® winner Daveed Diggs, Emmy® nominee Alison Wright, Mickey Sumner, Tony Award® winner and Grammy® nominee Lena Hall, Steven Ogg and executive producer and showrunner Graeme Manson.